{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Subject.Population", "Treatment.Time_elapsed", "Subject", "Treatment.Route", "Treatment.Duration", "Subject.Age", "Treatment", "Subject.Disorder", "Treatment.Drug", "Subject.Gender", "Treatment.Dosage", "Combination.Drug", "Effect"]}], "input": "BACKGROUND: Methotrexate (MTX) may induce liver damage, which in some psoriatics will lead to fibrosis or cirrhosis."}
{"adverse event": [{"Subject.Population": "NAN", "Treatment.Time_elapsed": "NAN", "Subject": "NAN", "Treatment.Route": "NAN", "Treatment.Duration": "NAN", "Subject.Age": "NAN", "Treatment": "Methotrexate (MTX)", "Subject.Disorder": "NAN", "Treatment.Drug": "Methotrexate", "Subject.Gender": "NAN", "Treatment.Dosage": "NAN", "Combination.Drug": "NAN", "Effect": "liver damage, which in some psoriatics will lead to fibrosis or cirrhosis"}]}